'''
class MyMath:
    @staticmethod
    def add(a, b):
        return a + b

    @staticmethod
    def minus(a, b):
        return a - b

    @staticmethod
    def mul(a, b):
        return a * b

    @staticmethod
    def divide(a, b):
        return a / b

    @staticmethod
    def exact_dibision(a, b):
        return a // b

    @staticmethod
    def extraction(a, b):
        return math.sqrt(a)

    @staticmethod
    def power(a, b):
        return a ** b

    @staticmethod
    def remaining(a, b):
        return a % b

print(MyMath.add(1, 2))
'''


class English:
    shuxing1 = 'learn'
    __shuxing2 = 'remember'
    def __init__(self, learn, remember):
        self.learn = learn
        self.__remember = remember

    def GoodEnglish(self):
        print(f"{self.learn} and {self._English__remember} is important to learn English well")

    @classmethod
    def get_value(cls):
        return cls.__shuxing2

    def __str__(self):
        return f"只差3节课就赶上进度了！"


me = English('learn with right measure', 'remember everyday')
me.GoodEnglish()
print(me.get_value())
print(me)